CN209450716U - A kind of livestock farrowing early warning system - Google Patents
A kind of livestock farrowing early warning system Download PDFInfo
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- CN209450716U CN209450716U CN201821273395.2U CN201821273395U CN209450716U CN 209450716 U CN209450716 U CN 209450716U CN 201821273395 U CN201821273395 U CN 201821273395U CN 209450716 U CN209450716 U CN 209450716U
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Abstract
The utility model discloses a kind of livestock farrowing early warning systems, are equipped at least one pressure sensor, controller and the first communication unit in each pregnant domestic animal abdomen；The output end of pressure sensor and the signal input part of controller connect, and the signal output end of controller is connect with the input terminal of the first communication unit；The output end of first communication unit and the signal input part of remote controllers are wirelessly connected, and the signal output end of remote controllers and the signal input part of display connect.Pass through the uterine contraction information of pressure sensor real-time monitoring pregnant domestic animal, uterine contraction information real-time radio is transmitted to remote controllers by controller, and when uterine contraction situation is close to during labor, pre-warning signal is exported to remote controllers, the administrator positioned at remote controllers end is set to grasp the situation to be produced of pregnant domestic animal in real time, and nurse preparation and work are carried out to just before giving birth pregnant domestic animal according to pre-warning signal, it avoids causing dam to be bitten not in time because of nurse, damage the generation of the case where newborn animal by pressure.
Description
Technical field
The utility model relates to a kind of early warning systems, more particularly to a kind of livestock farrowing early warning system.
Background technique
In penkeeping field, it usually needs when livestock produces fastly, arrange keeper on duty, but when livestock production
Between be difficult to predict, produced often at midnight, and when large-scale farming, often occur more than ten, Ji Shitou, up to a hundred dams it is same
When enter the expected date of childbirth, need operator on duty constantly to patrol at night, it is very arduous.
The Chinese patent of Publication No. CN105997292A discloses a kind of binder type foaling monitoring device, including band,
Alarm lamp and battery, it is characterised in that: a belt buckle and a flexible alarm switch are connected on the band.In use, will
This band is looped around the abdomen of dam and back and tightens, and is separated from each other two hard contacts of flexible alarm switch.It is flexible
Alarm switch disconnects, and alarm circuit does not work.After during dam farrowing or farrowing, abdomen natural shrinking was tightened originally
Band is loose, and stretch alarm switch retraction, and the hard contact mutual conduction on the side wall of inner and outer tubes, flexible alarm switch closes
It closes, alarm circuit work, luminous alarm.The device simple, design science with structure, is suitble in dams such as ox, horse, donkey or sheep
Production nursing process in use.But the patent can just generate alarm signal after production process or production, approach life
It is antenatal to alarm, it is unfavorable for poultry raiser and does sth. in advance the physical condition for being ready and understanding pregnant domestic animal.
Livestock just before giving birth before has a series of physiological reactions, and such as pregnant pig farrows first 1 to 2 hour, shows psychosis, exhales
Suction is urged, and is walked up and down, and is urinated again and again, and four limbs stretch, and uterus battle array contracting interval is shorter and shorter etc..Therefore, in combination with Internet of Things technology,
Being monitored to one of above-mentioned reaction can be ready before livestock produces, and reduce loss.
Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of domestic animal
Livestock products son's early warning system.
In order to realize the above-mentioned purpose of the utility model, the utility model provides a kind of livestock farrowing early warning system,
Each pregnant domestic animal abdomen is equipped at least one pressure sensor, controller and the first communication unit；
The output end of pressure sensor and the signal input part of controller connect, and the signal output end of controller and first leads to
Believe the input terminal connection of unit；
The output end of first communication unit and the signal input part of remote controllers are wirelessly connected, the signal of remote controllers
The connection of the signal input part of output end and display.
The uterine contraction information of above-mentioned technical proposal having the beneficial effect that through pressure sensor real-time monitoring pregnant domestic animal, controller
Uterine contraction information real-time radio is transmitted to remote controllers, and when uterine contraction situation is close to during labor, output pre-warning signal is to remote
Range controller makes the administrator positioned at remote controllers end grasp the situation to be produced of pregnant domestic animal in real time, and according to pre-warning signal to facing
It produces pregnant domestic animal and is ready and nurses work, avoid causing dam to be bitten not in time because of nurse, damage the generation of the case where newborn animal by pressure, reduce
Economic loss.
It further include the figure that pan-shot is carried out to pregnant domestic animal playground in a kind of preferred embodiment of the utility model
As sensor, the second communication unit；
The output end of described image sensor is connect with the input terminal of the second communication unit, the output end of the second communication unit
It is wirelessly connected with the signal input part of remote controllers.
The administrative staff for having the beneficial effect that remote controllers end of above-mentioned technical proposal can see pregnant domestic animal not spending scene
Actual activity situation, intuitively whether further confirm that pregnant domestic animal from livestock movement, mood, physical trait convenient for administrative staff
It will produce or produce exception.
In a kind of preferred embodiment of the utility model, further include carry the pressure sensor, controller and
The waistband of first communication unit；
The both ends of the waistband are connected by one of buckle, velcro, button, rope or any combination mode, described
The detection faces of pressure sensor are attached at the uterus position of pregnant domestic animal.
Above-mentioned technical proposal has the beneficial effect that structure is simple, installation convenient to carry out；The detection faces of pressure sensor attach
Keep measurement result more acurrate in the uterus position of pregnant domestic animal.
It further include signal conditioning circuit in a kind of preferred embodiment of the utility model, the signal processing circuit
Including amplifying circuit and low-pass filter circuit；
The input terminal of the amplifying circuit and the output end of pressure sensor connect, the output end and low pass filtered of amplifying circuit
The input terminal of wave circuit connects, and the output end of low-pass filter circuit and the signal input part of controller connect.
The signal to pressure sensor output that has the beneficial effect that of above-mentioned technical proposal improves, and is convenient for subsequent acquisition
And processing.
In a kind of preferred embodiment of the utility model, first communication unit and/or the second communication unit point
It is not connect with the signal output end of remote controllers by WIFI or GPRS or bluetooth or ZigBee-network.
Above-mentioned technical proposal has the beneficial effect that realization wireless communication, avoids laying cable, save the cost.
It further include at least one Zigbee coordinator and at least one in a kind of preferred embodiment of the utility model
GPRS communication module；
First communication unit is the first Zigbee routing node being arranged on pregnant domestic animal body；Second communication unit
Member is the 2nd Zigbee routing node being arranged at imaging sensor；
The output end or the 2nd Zigbee of the input terminal of at least one Zigbee coordinator and the first Zigbee routing node
The output end of routing node is wirelessly connected；
The output end of Zigbee coordinator is connect with the input terminal of a GPRS communication module；
The output end of GPRS communication module and the signal input part of remote controllers are wirelessly connected.
Above-mentioned technical proposal has the beneficial effect that the Internet of Things communication network based on zigbee and GPRS, and signal transmission is fast,
It can access great deal of nodes, signal can be transmitted at a distance to remote control terminal, realize remote and large-scale livestock management.
In a kind of preferred embodiment of the utility model, the remote controllers are server, the server
Signal input part is wirelessly connected with the output end of the output end of the first communication unit and the second communication unit respectively, has display
Client pass through internet accessing server.
Having the beneficial effect that using the powerful operation of server and storage capacity for above-mentioned technical proposal, is convenient for multiple clients
It holds while having accessed access.
Detailed description of the invention
Fig. 1 is system block diagram in one specific embodiment of the utility model；
Fig. 2 is network structure in one specific embodiment of the utility model；
Fig. 3 is signal conditioning circuit figure in one specific embodiment of the utility model；
Fig. 4 is controller circuit structure figure in one specific embodiment of the utility model.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
The utility model discloses a kind of livestock farrowing early warning system, the system that Fig. 1 show a kind of preferred embodiment
Block diagram, the system are equipped at least one pressure sensor, controller and the first communication unit in each pregnant domestic animal abdomen；
The output end of pressure sensor and the signal input part of controller connect, and the signal output end of controller and first leads to
Believe the input terminal connection of unit；
The output end of first communication unit and the signal input part of remote controllers are wirelessly connected, the signal of remote controllers
The connection of the signal input part of output end and display.
In the present embodiment, general uterine contraction pressure limit is 0-200gf, and gf is gram force, i.e., suffered by 1g object
Gravity, it is seen that uterine contraction pressure is small, so pressure sensor that measurement accuracy should be selected high measures, preferably but
Be not limited to selection weighing wear hold high, pressure sensor and touch force sensor.Specifically, the production of Honeywell Inc., the U.S. may be selected
Model FSS1500NST touch force sensor, with good sensitivity and the linearity, and light small and exquisite.Pressure sensor
It is settable multiple, to avoid being fallen in pregnant domestic animal movement.Pressure sensor can be attached to by accessories such as cord outside, waistbands
On pregnant domestic animal abdomen skin, it is possible to use the preferable viscose glue of viscosity is fixed.Preferably, it should be attached at the uterine neck of abdomen, and wipe off
Hair attaches again, to enhance test effect.
In the present embodiment, the microprocessing unit of the included A/D acquisition modules such as single-chip microcontroller, MCU may be selected in controller, such as
STM32 single-chip microcontroller, model can be STM32F103.First communication unit is preferably but not limited to as WIFI, bluetooth, GPRS, ZigBee
Etc. communication modules.SIM900A communication module can be selected when being GPRS communication unit in such as the first communication unit.Remote controllers include
Receiving unit and processing unit, receiving unit can be and the first matched communication module of communication unit wireless communications mode, processing
Unit can be single-chip microcontroller, embedded system, PC computer etc..
It further include the figure that pan-shot is carried out to pregnant domestic animal playground in a kind of preferred embodiment of the utility model
As sensor, the second communication unit；
The output end of imaging sensor is connect with the input terminal of the second communication unit, the output end of the second communication unit and remote
The signal input part of range controller is wirelessly connected.
In the present embodiment, COMS or CCD form may be selected in imaging sensor, is preferably but not limited to OV76X0 series,
Optional OV7670 model, OV7670 imaging sensor is the cmos image sensor of OmniVision company production, small in size,
Operating voltage is low, supports a variety of image output formats.To realize panorama monitoring, imaging sensor should be located at place where pregnant domestic animal
Overhead, at roof, fluorescent tube.The communication pattern of second communication unit is consistent with the communication pattern of the first communication unit, preferably
But it is not limited to the communication modules such as WIFI, bluetooth, GPRS, ZigBee.
It further include carrying pressure sensor, controller and first in a kind of preferred embodiment of the utility model
The waistband of communication unit；
The both ends of waistband are connected by one of buckle, velcro, button, rope or any combination mode, pressure sensing
The detection faces of device are attached at the uterus position of pregnant domestic animal.
In the present embodiment, waistband is preferably but not limited to the fiber with retractility or plastics are made, and is pregnant domestic animal
Skin of abdomen contact position offers the space for accommodating pressure sensor, it is preferred that the detection faces of pressure sensor expose waistband simultaneously
With pregnant domestic animal direct skin contact；The space for accommodating controller and the first communication unit is provided on the inside or outside of waistband.
In a kind of preferred embodiment of the utility model, as shown in figure 3, further including signal conditioning circuit, at signal
Managing circuit includes amplifying circuit and low-pass filter circuit；
The input terminal of amplifying circuit and the output end of pressure sensor connect, output end and the low-pass filtering electricity of amplifying circuit
The input terminal on road connects, and the output end of low-pass filter circuit and the signal input part of controller connect.
In the present embodiment, amplifying circuit includes amplifier and its peripheral circuit, and amplifier is preferably but not limited to as TI company
INA333 chip and peripheral circuit composition, voltage amplification factor maximum can achieve 1000 times, and to city's electrical interference
There is certain inhibiting effect, particular circuit configurations are for example shown in Figure 3.Amplifying circuit includes amplifier, gain resistor R3 and load
Resistance R4, the output end of pressure sensor and the positive input of amplifier connect, and the negative input of amplifier is connected to ground, gain
The both ends of resistance R3 are connect with two gain connecting pins of amplifier respectively, and when gain is 100, the resistance value of gain resistor R3 is 0
Ω.The first end of load resistance R4 is connect with amplifier output end, and the second end of load resistance R4 is connected to ground, load resistance R4's
Resistance value is preferably 10K Ω.
Generally, the frequency range of uterine contraction pressure signal is between 0.5Hz-10Hz, therefore, the cutoff frequency of low-pass filter
Preferably 10Hz, it is preferred that using active high-order low-pass filter to enhance filter effect, low-pass filter circuit as shown in figure 3,
Including two operational amplifiers and its peripheral circuit, the model MPC609 of operational amplifier U5A and U5B.
In a preferred embodiment, controller can be realized by hardware circuit and be alarmed.As pregnant domestic animal closes on production,
Uterine contraction amplitude is increasing, and contraction intervals are shorter and shorter, therefore, just by the measurement of measurement and contraction intervals to uterine contraction amplitude
It can be accurately judged to whether pregnant domestic animal approaches production, if approaching production, by the first communication unit alert to long-range
Controller, display alarm information over the display, to inform administrative staff.
It is illustrated in figure 4 the hardware circuit figure of controller, controller includes uterine contraction amplitude detection circuit, contraction intervals
Detection circuit and with door；
Uterine contraction amplitude detection circuit include first diode D1, first capacitor C1, first resistor R1, first comparator A1,
First reference voltage Vref 1；The anode of first diode D1 and the output end of low-pass filter circuit connect, first diode D1's
Cathode is connect with the positive terminal of the first end of first capacitor C1, the first end of first resistor R1, first comparator A1 respectively, and first
The second end of capacitor C1 and the second end of first resistor R1 are connected to ground, the negative phase end of first comparator A1 and the first reference power source
Connection.
In the present embodiment, the capacitance of first capacitor C1 is uF grades or more, preferably 10uF, the resistance of first resistor R1
Value can be 10K Ω, energy of the resistance for first capacitor C1 storage of quickly releasing when powering off.General uterine contraction pressure limit
For 0-200gf, rule of thumb, when uterine contraction pressure reaches 170gf, pregnant domestic animal approaches production, therefore, the output of the first reference power source
Voltage value be preferably uterine contraction pressure be 170gf when low-pass filter circuit output 2.0V voltage value, can be selected model
The voltage reference chip and its peripheral circuit of REF3020AIDBZT, output voltage 2.048V, physical circuit connect this field
Technical staff can refer to chip handbook, and this will not be repeated here.Uterine contraction pressure signal is believed after signal conditioning circuit for low-frequency d
Number, it is acted on using the one-way conduction characteristic of first diode D1 and the current integration of first capacitor C1, the first of first capacitor C1
The voltage value at end is the maximum value of low-pass filter circuit output signal, maximum uterine contraction degree has been corresponded to, therefore, as long as first capacitor
The voltage value of the first end of C1 reaches the output voltage values of preset first reference power source, and the output of first comparator A1 output end is high
Otherwise level is low level.
Contraction intervals detection circuit include the second comparator A2, NOT gate, 555 timers and nor gate, amplifying circuit it is defeated
Outlet is connect with the positive terminal of the second comparator A2, and the negative phase end of the second comparator A2 is connected to ground, and the second comparator A2's is defeated
The input terminal of outlet difference NAND gate connect with the first input end of nor gate, and the output end of NOT gate and 555 timers enable
End connection, the second input terminal connection of the output end AND OR NOT gate of 555 timers.
In the present embodiment, i.e., when will produce, the contraction intervals time is generally between 40s-60s, it is preferred that is set in
The contraction intervals time carries out approaching production alarm when being 90s, selects 555 timers, sets 90s for its timing,
After it is enabled, output end exports low level before 90s, exports high level after timing to 90S.The enable end of 555 timers is
High level is enabled.The low frequency analog voltage signal that amplifying circuit exports is converted into square-wave signal by the second comparator A2, is led to
Cross the low level Duration time of the square-wave signal (the i.e. practical contraction intervals compared with the 90s time that 555 timers are set
Time is compared with the preset 90s contraction intervals time), so that it may judge whether to approach production.When amplifying circuit exports high level,
NOT gate exports low level, and 555 timers do not work；When amplifying circuit exports low level, NOT gate exports high level, 555 timings
Device starts timing, and 555 timers export low level before timing is accumulated to 90s, therefore, as long as 555 timers and the second ratio
Low level is exported simultaneously compared with device A2, the contraction intervals time is considered as less than or equal to 90s, approaches production, need pre- to administrator
Alert, nor gate exports high level at this time, otherwise exports low level.
In the present embodiment, controller further includes and door, the output end of first comparator A1 are inputted with the first of door
End connection, the output end of nor gate are connect with the second input terminal with door, the early warning with the output end and the first communication unit of door
Signal receiving end connection；In this way, just being carried out when uterine contraction amplitude and contraction intervals time reaching respective preset alarming value simultaneously
Early warning increases the accuracy of early warning.Fixed storage has warning message inside the first communication unit, and pre-warning signal receiving end can
For the first communication unit enable pin, when the first communication unit enable pin receives high level, the alarm signal deposited is transported in transmission
Breath to remote controllers carry out early warning.
In the present embodiment, LM324, LM358 can be selected in first comparator A1, the second comparator A2.First diode
Normal schottky diode can be selected in D1.CD4069 can be selected in NOT gate, and 74LS28 can be selected in nor gate, can be selected 7408 with door.
NE555 can be selected in 555 timers, and particular circuit configurations those skilled in the art can refer to the realization of chip handbook, and this will not be repeated here.
In a kind of preferred embodiment of the utility model, as shown in Fig. 2, further including at least one Zigbee coordinator
With at least one GPRS communication module；
First communication unit is the first Zigbee routing node being arranged on pregnant domestic animal body；Second communication unit is setting
The 2nd Zigbee routing node at imaging sensor；
The output end or the 2nd Zigbee of the input terminal of at least one Zigbee coordinator and the first Zigbee routing node
The output end of routing node is wirelessly connected；
The output end of Zigbee coordinator is connect with the input terminal of a GPRS communication module；
The output end of GPRS communication module and the signal input part of remote controllers are wirelessly connected.
In the present embodiment, the first Zigbee routing node, the 2nd Zigbee routing node and Zigbee coordinator are equal
Cc2530 chip and peripheral circuit composition, those skilled in the art may be selected can obtain detailed circuit in the technical manual of chip
Design, details are not described herein.GPRS communication module can be selected Huawei, in the GPRS communication modules of the companies such as emerging and Siemens produce
SIM900A communication module also may be selected such as the GTM900C module of Huawei in product.
In a kind of preferred embodiment of the utility model, as shown in Fig. 2, remote controllers are server, server
Signal input part respectively with the output end of the output end of the first communication unit and the second communication unit be wirelessly connected, with display
The client of device passes through internet accessing server.
In the present embodiment, server is preferably Cloud Server, and client is preferably smart phone, PC machine, notebook
Computer, industrial personal computer etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (5)
1. a kind of livestock farrowing early warning system, which is characterized in that each pregnant domestic animal abdomen be equipped at least one pressure sensor,
Controller and the first communication unit；
The output end of pressure sensor and the signal input part of controller connect, the signal output end of controller and the first communication unit
The input terminal connection of member；
The output end of first communication unit and the signal input part of remote controllers are wirelessly connected, the signal output of remote controllers
End is connect with the signal input part of display；
It further include the waistband for carrying the pressure sensor, controller and the first communication unit；
The both ends of the waistband are connected by one of buckle, velcro, button, rope or any combination mode, the pressure
The detection faces of sensor are attached at the uterus position of pregnant domestic animal；
It further include signal conditioning circuit, the signal processing circuit includes amplifying circuit and low-pass filter circuit；
The input terminal of the amplifying circuit and the output end of pressure sensor connect, output end and the low-pass filtering electricity of amplifying circuit
The input terminal on road connects, and the output end of low-pass filter circuit and the signal input part of controller connect；
Controller include uterine contraction amplitude detection circuit, contraction intervals detection circuit and with door；
Uterine contraction amplitude detection circuit includes first diode, first capacitor, first resistor, first comparator, the first reference voltage；
The output end of the anode of first diode and low-pass filter circuit connects, the cathode of first diode respectively with first capacitor the
One end, the first end of first resistor, the connection of the positive terminal of first comparator, the second of the second end of first capacitor and first resistor
End is connected to ground, and the negative phase end of first comparator is connect with the first reference power source；
Contraction intervals detection circuit include the second comparator, NOT gate, 555 timers and nor gate, the output end of amplifying circuit with
The positive terminal of second comparator connects, and the negative phase end of the second comparator is connected to ground, the output end NAND gate of the second comparator
Input terminal connection, the output end of NOT gate are connect with the enable end of 555 timers, the output end of the second comparator also AND OR NOT gate
First input end connection, the second input terminal connection of the output end AND OR NOT gate of 555 timers；
The output end of first comparator is connect with the first input end with door, the output end of nor gate and the second input terminal with door
Connection, connect with the output end of door with the pre-warning signal receiving end of the first communication unit.
2. livestock farrowing early warning system as described in claim 1, which is characterized in that further include being carried out entirely to pregnant domestic animal playground
Imaging sensor, the second communication unit of scape shooting；
The output end of described image sensor is connect with the input terminal of the second communication unit, the output end of the second communication unit and remote
The signal input part of range controller is wirelessly connected.
3. livestock farrowing early warning system as described in claim 1, which is characterized in that first communication unit and/or second
Communication unit is connect with the signal output end of remote controllers by WIFI or GPRS or bluetooth or ZigBee-network respectively.
4. livestock farrowing early warning system as claimed in claim 2, which is characterized in that further include at least one Zigbee coordinator
With at least one GPRS communication module；
First communication unit is the first Zigbee routing node being arranged on pregnant domestic animal body；Second communication unit is
The 2nd Zigbee routing node at imaging sensor is set；
The output end or the 2nd Zigbee of the input terminal of at least one Zigbee coordinator and the first Zigbee routing node route
The output end of node is wirelessly connected；
The output end of Zigbee coordinator is connect with the input terminal of GPRS communication module；
The output end of GPRS communication module and the signal input part of remote controllers are wirelessly connected.
5. livestock farrowing early warning system as claimed in claim 4, which is characterized in that the remote controllers are server, institute
The signal input part for stating server is wirelessly connected with the output end of the output end of the first communication unit and the second communication unit respectively,
Client with display passes through internet accessing server.
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| CN201821273395.2U CN209450716U (en) | 2018-08-08 | 2018-08-08 | A kind of livestock farrowing early warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821273395.2U CN209450716U (en) | 2018-08-08 | 2018-08-08 | A kind of livestock farrowing early warning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068485A (en) * | 2020-09-22 | 2020-12-11 | 萧县威辰机电工程设备有限公司 | Fault diagnosis system for numerical control machine tool |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068485A (en) * | 2020-09-22 | 2020-12-11 | 萧县威辰机电工程设备有限公司 | Fault diagnosis system for numerical control machine tool |
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